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"Low Carbon Steel Slab Producing Method"

Abstract: A low-carbon steel slab producing method includes: adding Ti to a molten steel decarbonized to have a carbon concentration of 0.05 mass% or less, and subsequently adding at least one of La and Ce to adjust a constitution, and producing a smelted molten steel; and pouring the smelted molten steel into a casting mold via a tundish; wherein at least one of La and Ce in a total amount of 0.2 to 1.2 times an increased amount of oxygen in the smelted molten steel during contained in the tundish is added to the smelted molten steel in the tundish, so as to obtain a steel slab having inclusions which contain oxides of Ti and at least one of La and Ce as chief components, and so as to make a composition of each of the inclusions have a mass ratio of 0.1 to 0.7, in terms of (La203+Ce2O3)-TiOn (n=l~2).

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
13 October 2010
Publication Number
08/2012
Publication Type
INA
Invention Field
METALLURGY
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2019-10-17
Renewal Date

Applicants

NIPPON STEEL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN

Inventors

1. MASAFUMI MIYAZAKI,
C/O NIPPON STEEL CORPORATION, 6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN
2. HIDEAKI YAMAMURA
C/O NIPPON STEEL CORPORATION, 6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN
3. SATORU MINETA
C/O NIPPON STEEL CORPORATION, 6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO 100-8071, JAPAN

Specification

Documents

Application Documents

# Name Date
1 7237-delnp-2010-Form-3-(13-04-2011).pdf 2011-04-13
1 7237-DELNP-2010-RELEVANT DOCUMENTS [30-08-2023(online)].pdf 2023-08-30
2 7237-delnp-2010-Correspondence Others-(13-04-2011).pdf 2011-04-13
2 7237-DELNP-2010-RELEVANT DOCUMENTS [23-09-2022(online)].pdf 2022-09-23
3 7237-DELNP-2010-RELEVANT DOCUMENTS [27-07-2021(online)].pdf 2021-07-27
3 7237-delnp-2010-gpa.pdf 2011-08-21
4 7237-DELNP-2010-RELEVANT DOCUMENTS [25-02-2020(online)].pdf 2020-02-25
4 7237-delnp-2010-form-5.pdf 2011-08-21
5 7237-DELNP-2010-IntimationOfGrant17-10-2019.pdf 2019-10-17
5 7237-delnp-2010-form-3.pdf 2011-08-21
6 7237-DELNP-2010-PatentCertificate17-10-2019.pdf 2019-10-17
6 7237-delnp-2010-form-2.pdf 2011-08-21
7 7237-delnp-2010-form-18.pdf 2011-08-21
7 7237-DELNP-2010-FORM 3 [09-10-2019(online)].pdf 2019-10-09
8 7237-delnp-2010-Information under section 8(2) (MANDATORY) [09-10-2019(online)].pdf 2019-10-09
8 7237-delnp-2010-form-1.pdf 2011-08-21
9 7237-delnp-2010-drawings.pdf 2011-08-21
9 7237-DELNP-2010-PETITION UNDER RULE 137 [03-10-2019(online)].pdf 2019-10-03
10 7237-delnp-2010-description (complete).pdf 2011-08-21
10 7237-delnp-2010-Written submissions and relevant documents (MANDATORY) [03-10-2019(online)].pdf 2019-10-03
11 7237-delnp-2010-correspondence-others.pdf 2011-08-21
11 7237-DELNP-2010-ExtendedHearingNoticeLetter_30-09-2019.pdf 2019-09-30
12 7237-delnp-2010-claims.pdf 2011-08-21
12 7237-DELNP-2010-HearingNoticeLetter30-08-2019.pdf 2019-08-30
13 7237-delnp-2010-abstract.pdf 2011-08-21
13 7237-DELNP-2010-REQUEST FOR ADJOURNMENT OF HEARING UNDER RULE 129A [20-08-2019(online)].pdf 2019-08-20
14 7237-DELNP-2010-Correspondence-280619.pdf 2019-07-03
14 7237-DELNP-2010-GPA-(08-07-2013).pdf 2013-07-08
15 7237-DELNP-2010-Form-2-(08-07-2013).pdf 2013-07-08
15 7237-DELNP-2010-OTHERS-280619.pdf 2019-07-03
16 7237-DELNP-2010-Form-1-(08-07-2013).pdf 2013-07-08
16 7237-DELNP-2010-Power of Attorney-280619.pdf 2019-07-03
17 7237-DELNP-2010-FORM 13 [25-06-2019(online)].pdf 2019-06-25
17 7237-DELNP-2010-Correspondence-Others-(08-07-2013).pdf 2013-07-08
18 7237-DELNP-2010-FER.pdf 2017-08-09
18 7237-DELNP-2010-RELEVANT DOCUMENTS [25-06-2019(online)].pdf 2019-06-25
19 7237-DELNP-2010-FORM 3 [10-05-2018(online)].pdf 2018-05-10
19 7237-DELNP-2010-PETITION UNDER RULE 137 [27-11-2017(online)].pdf 2017-11-27
20 7237-DELNP-2010-Correspondence-301117.pdf 2017-12-05
20 7237-DELNP-2010-OTHERS [28-11-2017(online)].pdf 2017-11-28
21 7237-DELNP-2010-FER_SER_REPLY [28-11-2017(online)].pdf 2017-11-28
21 7237-DELNP-2010-OTHERS-301117.pdf 2017-12-05
22 7237-DELNP-2010-DRAWING [28-11-2017(online)].pdf 2017-11-28
22 7237-DELNP-2010-Power of Attorney-301117.pdf 2017-12-05
23 7237-DELNP-2010-ABSTRACT [28-11-2017(online)].pdf 2017-11-28
23 7237-DELNP-2010-COMPLETE SPECIFICATION [28-11-2017(online)].pdf 2017-11-28
24 7237-DELNP-2010-CLAIMS [28-11-2017(online)].pdf 2017-11-28
25 7237-DELNP-2010-COMPLETE SPECIFICATION [28-11-2017(online)].pdf 2017-11-28
25 7237-DELNP-2010-ABSTRACT [28-11-2017(online)].pdf 2017-11-28
26 7237-DELNP-2010-DRAWING [28-11-2017(online)].pdf 2017-11-28
26 7237-DELNP-2010-Power of Attorney-301117.pdf 2017-12-05
27 7237-DELNP-2010-FER_SER_REPLY [28-11-2017(online)].pdf 2017-11-28
27 7237-DELNP-2010-OTHERS-301117.pdf 2017-12-05
28 7237-DELNP-2010-Correspondence-301117.pdf 2017-12-05
28 7237-DELNP-2010-OTHERS [28-11-2017(online)].pdf 2017-11-28
29 7237-DELNP-2010-FORM 3 [10-05-2018(online)].pdf 2018-05-10
29 7237-DELNP-2010-PETITION UNDER RULE 137 [27-11-2017(online)].pdf 2017-11-27
30 7237-DELNP-2010-FER.pdf 2017-08-09
30 7237-DELNP-2010-RELEVANT DOCUMENTS [25-06-2019(online)].pdf 2019-06-25
31 7237-DELNP-2010-Correspondence-Others-(08-07-2013).pdf 2013-07-08
31 7237-DELNP-2010-FORM 13 [25-06-2019(online)].pdf 2019-06-25
32 7237-DELNP-2010-Form-1-(08-07-2013).pdf 2013-07-08
32 7237-DELNP-2010-Power of Attorney-280619.pdf 2019-07-03
33 7237-DELNP-2010-Form-2-(08-07-2013).pdf 2013-07-08
33 7237-DELNP-2010-OTHERS-280619.pdf 2019-07-03
34 7237-DELNP-2010-Correspondence-280619.pdf 2019-07-03
34 7237-DELNP-2010-GPA-(08-07-2013).pdf 2013-07-08
35 7237-delnp-2010-abstract.pdf 2011-08-21
35 7237-DELNP-2010-REQUEST FOR ADJOURNMENT OF HEARING UNDER RULE 129A [20-08-2019(online)].pdf 2019-08-20
36 7237-DELNP-2010-HearingNoticeLetter30-08-2019.pdf 2019-08-30
36 7237-delnp-2010-claims.pdf 2011-08-21
37 7237-delnp-2010-correspondence-others.pdf 2011-08-21
37 7237-DELNP-2010-ExtendedHearingNoticeLetter_30-09-2019.pdf 2019-09-30
38 7237-delnp-2010-description (complete).pdf 2011-08-21
38 7237-delnp-2010-Written submissions and relevant documents (MANDATORY) [03-10-2019(online)].pdf 2019-10-03
39 7237-delnp-2010-drawings.pdf 2011-08-21
39 7237-DELNP-2010-PETITION UNDER RULE 137 [03-10-2019(online)].pdf 2019-10-03
40 7237-delnp-2010-form-1.pdf 2011-08-21
40 7237-delnp-2010-Information under section 8(2) (MANDATORY) [09-10-2019(online)].pdf 2019-10-09
41 7237-DELNP-2010-FORM 3 [09-10-2019(online)].pdf 2019-10-09
41 7237-delnp-2010-form-18.pdf 2011-08-21
42 7237-DELNP-2010-PatentCertificate17-10-2019.pdf 2019-10-17
42 7237-delnp-2010-form-2.pdf 2011-08-21
43 7237-DELNP-2010-IntimationOfGrant17-10-2019.pdf 2019-10-17
43 7237-delnp-2010-form-3.pdf 2011-08-21
44 7237-DELNP-2010-RELEVANT DOCUMENTS [25-02-2020(online)].pdf 2020-02-25
44 7237-delnp-2010-form-5.pdf 2011-08-21
45 7237-DELNP-2010-RELEVANT DOCUMENTS [27-07-2021(online)].pdf 2021-07-27
45 7237-delnp-2010-gpa.pdf 2011-08-21
46 7237-DELNP-2010-RELEVANT DOCUMENTS [23-09-2022(online)].pdf 2022-09-23
46 7237-delnp-2010-Correspondence Others-(13-04-2011).pdf 2011-04-13
47 7237-delnp-2010-Form-3-(13-04-2011).pdf 2011-04-13
47 7237-DELNP-2010-RELEVANT DOCUMENTS [30-08-2023(online)].pdf 2023-08-30

Search Strategy

1 searchstrartegy7237delnp2010_03-03-2017.pdf

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